1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 
  4. Molded Case Circuit Breaker

Molded Case Circuit Breaker

For circuit breaker systems in commercial and industrial facilities, molded case circuit breakers are among the most widely used components for reliable overcurrent protection and electrical distribution. Molded case circuit breakers provide automatic circuit interruption during overload or short circuit conditions, protecting electrical systems and equipment from damage while enabling manual switching control. Electrical.com carries an extensive selection of molded case circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, manufacturing facilities, data centers, and industrial power distribution applications.
SORT BY
Part Number
PRICE
Manufacturer
Amperage
Voltage
HGA36030BHUHYP
HGA36030BHUHYP
In Stock
From
$841.30
Square D
30
600
HGA36030BHUJ
HGA36030BHUJ
In Stock
From
$841.30
Square D
30
600
HGA36030BHUJYP
HGA36030BHUJYP
In Stock
From
$841.30
Square D
30
600
HGA36030BHUK
HGA36030BHUK
In Stock
From
$841.30
Square D
30
600
HGA36030BHUKYP
HGA36030BHUKYP
In Stock
From
$841.30
Square D
30
600
HGA36030BHUN
HGA36030BHUN
In Stock
From
$841.30
Square D
30
600
HGA36030BHUNYP
HGA36030BHUNYP
In Stock
From
$841.30
Square D
30
600
HGA36030BHUO
HGA36030BHUO
In Stock
From
$841.30
Square D
30
600
HGA36030BHUOYP
HGA36030BHUOYP
In Stock
From
$841.30
Square D
30
600
HGA36030BHUP
HGA36030BHUP
In Stock
From
$841.30
Square D
30
600
HGA36030BHUPYP
HGA36030BHUPYP
In Stock
From
$841.30
Square D
30
600
HGA36030BHUR
HGA36030BHUR
In Stock
From
$841.30
Square D
30
600
HGA36030BHURYP
HGA36030BHURYP
In Stock
From
$841.30
Square D
30
600
HGA36030BHUS
HGA36030BHUS
In Stock
From
$841.30
Square D
30
600
HGA36030BHUSYP
HGA36030BHUSYP
In Stock
From
$841.30
Square D
30
600
HGA36030BHYP
HGA36030BHYP
In Stock
From
$841.30
Square D
30
600
HGA36030BK
HGA36030BK
In Stock
From
$841.30
Square D
30
600
HGA36030BKSD
HGA36030BKSD
In Stock
From
$841.30
Square D
30
600
HGA36030BKSDYP
HGA36030BKSDYP
In Stock
From
$841.30
Square D
30
600
HGA36030BKSH
HGA36030BKSH
In Stock
From
$841.30
Square D
30
600
HGA36030BKSHYP
HGA36030BKSHYP
In Stock
From
$841.30
Square D
30
600
HGA36030BKSJ
HGA36030BKSJ
In Stock
From
$841.30
Square D
30
600
HGA36030BKSJYP
HGA36030BKSJYP
In Stock
From
$841.30
Square D
30
600
HGA36030BKSK
HGA36030BKSK
In Stock
From
$841.30
Square D
30
600
Popular Molded Case Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of molded case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified MCCBs available for immediate shipment. From standard thermal-magnetic breakers to electronic trip units across all amperage ratings, we have what you need when others say no. Our comprehensive molded case circuit breaker inventory spans all voltage and current ratings, frame sizes, and interrupting capacities from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our molded case circuit breakers serve critical applications across commercial buildings, industrial facilities, manufacturing plants, data centers, healthcare facilities, distribution panels, motor control centers, switchboards, and power distribution systems.


Whether you're maintaining legacy equipment with obsolete MCCB models or sourcing current production breakers for new installations and retrofits, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need molded case circuit breakers now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.